Reports of explorations and surveys ?to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean /made under the direction of the secretary of war, in 1853?[6].
Reports of explorations and surveys ?to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean /made under the direction of the secretary of war, in 1853?[6].